article: The largest number of people in a race
  The biggest race is in San Francisco, the USA. More than 100,000 people run the 12 kilometers in the race. Another famous race is in London every year. This race is longer and harder, it is more than 42 kilometers, but 25,000 people usually finish it. [:Zxxk.Com]
  The youngest international player
  The youngest international player in any sport was Jamaica. Her name was Joy Foster. She was the Jamaican table tennis champion   in1958 when she was 8 years old.
  The strongest superlative  
  Have you ever tried walking backwards? The world record for walking backwards is 12,875 kilometers. A man from Texas, the USA, walked backwards for 18 months in 1931--1032. Nobody else has ever broken this record  .
  The most popular sport
  The popular sport team game in the world is football. People play football in villages, streets and stadiums all over the world. The most famous football competition is the World Cup. It happens every four years, and nearly 2,000,000,000 people watch it on TV. The first Women's World Cup was in 1991.
question: The best title of this passage is   _  .
options: Enjoy your sport Different sports Sport superlatives Strange sport